Port A

Port A

GPIO Name Peripheral Alternate
PA 03 -
PA 04 Accelerometer X ADC_1
PA 05 Accelerometer Y ADC_2
PA 06 Accelerometer Z ADC_3
PA 07 LEDs -
PA 08 LEDs -
PA 09 TWI interface SCL
PA 10 TWI interface SDA
PA 11 3x Clocks Xin_32
PA 12 3x Clocks Xout_32
PA 13 Joystick EXTINT_8
PA 14 SPI Interface MOSI
PA 15 SPI Interface SCK
PA 16 SPI Interface CS0
PA 17 SPI Interface CS1
PA 18 3x Clocks Xin_0
PA 19 3x Clocks Xout_0
PA 20 USB -
PA 21 LEDs -
PA 22 LEDs- Audio lines PWM_6
PA 23 USART interface TXD
PA 24 USART interface RXD
PA 25 SPI Interface MISO
PA 26 USB USB_ID
PA 27 USB USB_VBOF
PA 28 3x Clocks- Audio lines Xin1/PWM_4
PA 29 3x Clocks Xout1
PA 30 Light Sensor ADC_6
PA 31 Temperature Sensor ADC_7